804264440686 has 48 divisors (see below), whose sum is σ = 1444019322240. Its totient is φ = 334787690160.

The previous prime is 804264440663. The next prime is 804264440687. The reversal of 804264440686 is 686044462408.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804264440687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221191 + ... + 1287421.

It is an arithmetic number, because the mean of its divisors is an integer number (30083735880).

Almost surely, 2^804264440686 is an apocalyptic number.

804264440686 is a gapful number since it is divisible by the number (86) formed by its first and last digit.

804264440686 is a deficient number, since it is larger than the sum of its proper divisors (639754881554).

804264440686 is a wasteful number, since it uses less digits than its factorization.

804264440686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066469 (or 1066462 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 52.

The spelling of 804264440686 in words is "eight hundred four billion, two hundred sixty-four million, four hundred forty thousand, six hundred eighty-six".